Finding the Fourth Proportional to 103,662.42, 143,065.74 and 58,351.42

Step by Step Solution

1. Step 1: Write the proportion equation
   103,662.42 : 143,065.74 = 58,351.42 : x
2. Step 2: Convert to fraction form
   103,662.42/143,065.74 = 58,351.42/x
3. Step 3: Cross multiply
   103,662.42x = 143,065.74 × 58,351.42
4. Step 4: Simplify right side
   103,662.42x = 8,348,089,082.35
5. Step 5: Solve for x
   x = 8,348,089,082.35/103,662.42
6. Step 6: Final answer
   x = 80,531.49